How to remove 0 from string in php

Method: 1. Use "trim($str,"0")" to remove the 0's at both ends of the string; 2. Use "str_replace("0","",$str)" to remove Remove all 0s from the string; 3. Use "substr_replace($str,"",position value,1)" to remove 0s at the specified position.

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

php removes strings 0

1. Use the trim() function

Use the trim() function to remove the 0

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$str = "0dfd0125e0reg0";
echo "原字符串：".$str;
echo "<br>处理后：".trim($str,"0");
?>

##2. Use the str_replace() function

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$str = "0dfd0125e0reg0";
echo "原字符串：".$str;
echo "<br>处理后：".str_replace("0","",$str);
?>

3. Use the substr_replace() function

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$str = "0dfd0125e0reg0";
echo "原字符串：".$str."<br><br>";
echo "去除开头的0：".substr_replace($str,"",0,1)."<br><br>";
echo "去除末尾的0：".substr_replace($str,"",-1,1)."<br><br>";
echo "去除第5字符0：".substr_replace($str,"",4,1)."<br><br>";
echo "去除第10字符0：".substr_replace($str,"",9,1)."<br><br>";
?>

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